These 39 mm diameter casino sized chips are 11.5 grams in weight. They are produced from a composite resin and an insert that gives them the weight feel of a heavy casino quality chip. Your Chips will be protected in this aluminum case. It will provide the most protection for your investment. It is made of heavy duty, yet lightweight aluminum available in brilliant silver. The interior is green velour with space for 300 chips, 2 decks of cards and 5 dice. The handles are are securely riveted for long lasting use.